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• <br />i~ ~ V I $ ~ ~ <br />TES T R E Q U E S T <br />T0: Ccrelaba Attn: Dav~ ac~horter <br />cc: Ann eeldridge - SRK <br />Rob~Dorey - SHt <br />Jia Johnson - SRK <br />Adr an Smt[h - ASC: <br />FROp: Ste:ten Robertson and Riraten <br />Juan C. Rodriguez <br />DATE: November 1, 1989 <br />PP.OJECT: San Luca PROJECT NO.: 14710 <br />FEATORE: Tailings LAB NO.: L396.4 <br />This teat request supercedes t;o one sutmitted with the sar..ples on <br />10/31/89. <br />TS9T Rg <br />Proceed with this section <br />1.0 BAKPL[ PREPARAlIO11 <br />Combine both samples and agitate the slurry. Record tt~e total weight <br />of the slurry and check the FH. It the pH of the sample i greater than <br />8.9, adjust it to 8.9 or slightly less, by using a lOt H SO. solution. <br />Adjust the p:! to a stabla 8.9. Record the stable p!f a:,d the amount of <br />solution used. Aftetaarda decant and tiller the liquor from the solids and <br />teat as outlined in the tolleNinp Sections. lCaution C•ani haen added <br />t the samole) <br />• <br />